MathOverflow
ABB's user avatar
ABB's user avatar
ABB's user avatar
ABB
  • Member for 7 years, 5 months
  • Last seen this week
Profile Activity
Stats
3,764
reputation
30k
reached
2
answers
150
questions
Communities
View all
About

Interested in functional analysis and operator algebras.

Badges
View all badges
This user doesn’t have any gold badges yet.
9
silver badges
18
bronze badges
Top tags
View all tags
3
Score
87
Posts
57
Posts %
2
Score
40
Posts
26
Posts %
2
Score
21
Posts
14
Posts %
2
Score
21
Posts
14
Posts %
2
Score
20
Posts
13
Posts %
1
Score
21
Posts
14
Posts %
Top posts
View all questions and answers
All Questions Answers
Score Newest
question
10
Is the strong operator topology metrizable?
Apr 26, 2018
question
9
Comparing two $\sigma$-algebras on $B(\ell^1)$
May 7, 2018
question
8
A criterion for second countability
Nov 17, 2017
question
8
Approximation of the identity by simple functions
May 18, 2018
question
8
If the cardinality of $B(X)$, the space of operators on $X$, is continuum, must $X$ be separable?
Jun 7, 2018
question
7
An equivalent condition for separability of $X^*$
Dec 2, 2017
question
7
Where does the Laplace transform come from?
Aug 29, 2020
question
7
Does separability of the strong operator topology imply separability of the underlying space?
Jun 8, 2018
question
6
Point-wise limit of finite valued functions
May 4, 2018
question
6
Non-diagonalizability of the adjacency matrix of a directed graph
May 11
Top network posts
View all network posts
7
the $L^2$-norm of a signal is also applied as its energy!
6
Comparing two sigma algebras in Hilbert spaces
6
Action of a projection on a pairwise orthogonal projections.
6
Discontinuities of $\sum_{n=2}^{\infty} \frac{\sin(nx)}{\ln(n)}$
5
Is the square root function norm continuous?

Your privacy

By clicking “Accept all cookies”, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy.